If (a^2 - b^2)sin(x) + 2ab cos(x) = a^2 + b^2, then what is the value of sin(x)? If cos(x) = -1/5 and x is in quadrant III, find the exact values of the following without solving for x: sin(2x) = ___ cos(2x) = ___ tan(2x) = ___ Solve the equation:...
总的来说，cos30度等于√3/2，这个值是通过直角三角形中的边长关系计算得到的，它在三角函数和几何学中有着广泛的应用。
sin 2x cos 2x = -0.25 4.\ 2cos^{2}3x-2sin^{2}3x=-1 5.\ 4cos^{2}0.5x=1 6. sin 2x =cosx Find all solutions in [0, 2pi) of the following equation. A) 2sin^2(theta) = cos(2theta) B) sin x cos x = (sqrt(2))/(4) Solve the equation for solu...
在三相对称交流电路中,总的无功功率为()。 A. Q=√3ULILcosφ B. Q=√3ULILsinφ C. Q=&radic
cos 4x(cos x - 1) = 0. Find all solutions of the equation in the interval [0, 2 \pi). 2 \; \textrm{sin} \; 2x - \sqrt{2}=0 Find all solutions of the equation in the interval [0 , 2''π''): ...
Find all the solutions ofcosx=12in the interval0≤x≤2π. Question: Find all the solutions ofcosx=12in the interval0≤x≤2π. Sign of the Cosine Function: The cosine function is a periodic function. The cosine function is positive if the angle is in the...
Solve the equation: \cos (2x) = sin(x) Solve the equation: 2 sin''x'' + 1 = 0 How do you solve for x if cos(x) = 2/3? How do you solve cos(x) = 24/25? How do you solve cos(x) = 2cos^3(x)? How do you solve cos(x) + cos(3x) = 0?
Find the derivative: ln \frac {2x}{x+1} Find the derivative of f(x) = \ln (x + e^{1 - 2x}) Find the derivative of ln \frac{x(x^4+2)}{ √(x^3-4)} Find the derivative: d/dQ (20 + 20 ln Q)^2. Find the derivative P = 6t^4 \ln (5t) \ \frac{dP}{dt...
Evaluate:\int \sec x(\tan x+\sec x)dx.a)\tan x+\tan^{2} x+C, b)\sec x +\tan x +C, c)\sin x \cos x...Question:Evaluate: ∫secx(tanx+secx)dx.a)tanx+tan2x+C,b)sec...
Compute {eq}\displaystyle \int_0^1 \int_{\sqrt x}^1 \cos (y^3)\ dy\ dx {/eq}. Double Integral: If {eq}f {/eq} is a continuous function on a region {eq}D {/eq} such that {eq}D = \{ (x,y) | a \leq x \leq b, g_1(x) \leq y \leq g_2(x) \} {...